1.

The novalak – acid system needs what temperature conditions?$

A. 15°C – 25°C
B. 25°C – 35°C
C. 35°C – 45°C
D. 45°C – 55°C
Answer» D. 45¬¨¬®‚Äö√†√ªC ‚Äö√Ñ√∂‚àö√ë‚àö¬® 55¬¨¬®‚Äö√†√ªC


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